| Harpenden to Les Sorinieres | 326.90 mi (526.09 km) |
| Harpenden to Lescar | 586.78 mi (944.33 km) |
| Harpenden to Lesquin | 172.25 mi (277.20 km) |
| Harpenden to Levallois-Perret | 233.02 mi (375.00 km) |
| Harpenden to Lezignan-Corbieres | 612.66 mi (985.98 km) |
| Harpenden to Libourne | 476.60 mi (767.01 km) |
| Harpenden to Lieusaint | 254.67 mi (409.85 km) |
| Harpenden to Lievin | 166.48 mi (267.93 km) |
| Harpenden to Lille | 168.91 mi (271.84 km) |
| Harpenden to Lillebonne | 163.40 mi (262.96 km) |
| Harpenden to Lillers | 150.21 mi (241.75 km) |
| Harpenden to Limay | 215.69 mi (347.12 km) |
| Harpenden to Limeil-Brevannes | 246.44 mi (396.61 km) |
| Harpenden to Limoges | 419.78 mi (675.57 km) |
| Harpenden to Limoux | 617.00 mi (992.97 km) |
